DE69636999D1 - Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung - Google Patents

Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung

Info

Publication number
DE69636999D1
DE69636999D1 DE69636999T DE69636999T DE69636999D1 DE 69636999 D1 DE69636999 D1 DE 69636999D1 DE 69636999 T DE69636999 T DE 69636999T DE 69636999 T DE69636999 T DE 69636999T DE 69636999 D1 DE69636999 D1 DE 69636999D1
Authority
DE
Germany
Prior art keywords
monitoring system
antenna arrangement
demand distribution
goods monitoring
improved demand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69636999T
Other languages
English (en)
Other versions
DE69636999T2 (de
Inventor
Jorge Alicot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sensormatic Electronics LLC
Original Assignee
Sensormatic Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of DE69636999D1 publication Critical patent/DE69636999D1/de
Application granted granted Critical
Publication of DE69636999T2 publication Critical patent/DE69636999T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/04—Screened antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
DE69636999T 1995-05-30 1996-05-22 Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung Expired - Lifetime DE69636999T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45296895A 1995-05-30 1995-05-30
US452968 1995-05-30
PCT/US1996/007442 WO1996038877A1 (en) 1995-05-30 1996-05-22 Eas system antenna configuration for providing improved interrogation field distribution

Publications (2)

Publication Number Publication Date
DE69636999D1 true DE69636999D1 (de) 2007-05-10
DE69636999T2 DE69636999T2 (de) 2007-12-13

Family

ID=23798701

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69636999T Expired - Lifetime DE69636999T2 (de) 1995-05-30 1996-05-22 Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung

Country Status (10)

Country Link
US (2) US6081238A (de)
EP (1) EP0829108B1 (de)
JP (1) JP3966556B2 (de)
CN (1) CN1185865A (de)
AR (1) AR002136A1 (de)
AU (1) AU702622B2 (de)
BR (1) BR9609286A (de)
DE (1) DE69636999T2 (de)
ES (1) ES2284172T3 (de)
WO (1) WO1996038877A1 (de)

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Also Published As

Publication number Publication date
US6020856A (en) 2000-02-01
WO1996038877A1 (en) 1996-12-05
US6081238A (en) 2000-06-27
JPH11506279A (ja) 1999-06-02
EP0829108B1 (de) 2007-03-28
JP3966556B2 (ja) 2007-08-29
AR002136A1 (es) 1998-01-07
AU5871596A (en) 1996-12-18
ES2284172T3 (es) 2007-11-01
CN1185865A (zh) 1998-06-24
DE69636999T2 (de) 2007-12-13
EP0829108A1 (de) 1998-03-18
EP0829108A4 (de) 2001-03-14
AU702622B2 (en) 1999-02-25
BR9609286A (pt) 1999-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: HAFNER & PARTNER PATENT-/ RECHTSANWALTSKANZLEI, 90

8327 Change in the person/name/address of the patent owner

Owner name: SENSORMATIC ELECTRONICS, LLC, BOCA RATON, FLA., US